Go-Shintai of Life's Origin + There and Back Again + Tekuthal, Inquiry Dominus + Plaguemaw Beast + Intruder Alarm

Prerequisites

• Go-Shintai and Plaguemaw Beast do not have summoning sickness.
• There and Back Again has exactly two lore counters on it.

Steps

1. 1At the beginning of your precombat main phase, There and Back Again triggers, putting a lore counter on it.
2. 2There and Back Again's third chapter ability triggers, creating a legendary 6/6 Smaug creature token and causing you to sacrifice There and Back Again.
3. 3When Smaug enters the battlefield, Intruder Alarm triggers, untapping all creatures.
4. 4Activate Plaguemaw Beast by tapping it and sacrificing Smaug.
5. 5When Smaug dies, it triggers, creating fourteen Treasure tokens.
6. 6Holding priority, activate five Treasures by tapping and sacrificing them, adding .
7. 7Activate Go-Shintai by paying and tapping it, returning There and Back Again from your graveyard to the battlefield with a lore counter on it.
8. 8There and Back Again's first chapter ability triggers, causing the Ring to tempt you.
9. 9Resolve the Plaguemaw Beast ability from step 4, putting two lore counters on There and Back Again.
10. 10There and Back Again's second and third chapter abilities trigger.
11. 11Resolve the second There and Back Again trigger, causing you to search your library for a Mountain and put it onto the battlefield.
12. 12Resolve the third There and Back Again trigger, creating a legendary 6/6 Smaug creature token and causing you to sacrifice There and Back Again.
13. 13Repeat from step 3.

Effects

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite artifact tokens
• Infinite colored mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite death triggers
• Infinite proliferate
• Infinite Treasure tokens
• Put all Mountains from your library onto the battlefield